THE USE OF OZONE IN THE VENTILATION OF THE AUTOMOBILE SERVICE STATION

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2. Does the presence of ozone in the air tend to increase the partial pressure of the oxygen in the alveolar air, thus making it more available to the tissues? Stadie has advanced the theory, as a result of animal experimentation, that the primary effect of carbon monoxide inhalation is its profound alteration of the normal oxygen dissociation curve, rather than the mere loss of functioning haemoglobin.

This alteration, he believes, is caused by the fact that due to the presence of carbon monoxide in the alveolar air, the partial pressure of oxygen is markedly reduced, so that the same volume of oxygen if carried in the capillaries would still not be equally available to the tissues. If ozone, in quantities produced by the ozone machines now in use, can materially alter the partial pressure of oxygen in the alveolar air, this might offer an explanation for their popularity with the men.

There are still other questions along these general lines which the Bureau of Industrial Hygiene is now working on.

with the cooperation of the Cornell Research Laboratories located at Nursery and Childs Hospital, and the manufacturers of cone of the ozone machines now on the market, an “Ozonator” has been installed in the hospital. Experimental work in now in progress there both for the purpose of getting a normal control series, and for the purpose of conducting further and more intensive investigations of the general physiological effects of exposure to ozone.

A report of the findings will be issued for the information of the automobile industry and others interested as soon as this date has been assembled.

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